The hip flask is one of the oldest gifts in the personalised category, and it survives because it does something no other gift quite does: it is a practical object that also functions as a keepsake. Nobody throws away an engraved flask.
Capacity
Flasks are usually sold in ounces. The 6oz is the standard and the one most people should buy - it sits flat in a jacket pocket without bulging, and it holds enough for an afternoon at a wedding or a cold match.
Smaller flasks are more discreet but need refilling constantly. Larger ones look impressive and then live in a drawer, because they are uncomfortable to carry.
Material and finish
Stainless steel is the practical default. It does not corrode, it survives being dropped, and it takes engraving cleanly.
Finishes vary from mirror-polished to brushed satin to wrapped leather. Brushed satin is the most forgiving - it hides fingerprints and scratches in a way that a mirror finish does not. Leather-wrapped flasks look the most traditional but need keeping dry.
What to engrave
A hip flask has a generous flat face, which makes it one of the better items for a longer message. That said, restraint wins:
- Name or initials - always works, ages well.
- A date - a wedding day, a milestone birthday.
- A role - Best Man, Usher, Father of the Bride. These are the strongest sellers in our wedding party range for a reason: the flask marks an occasion the recipient was part of.
- An in-joke - fine if it is genuinely between the two of you, risky otherwise. You cannot take it off later.
Who a flask suits as a gift
Good for: wedding parties, groomsmen, a father-in-law, someone who shoots or fishes or watches football outdoors in February, a milestone birthday.
Less good for: anyone whose relationship with alcohol is complicated, and anyone who does not drink spirits. A flask for a beer drinker is a novelty, not a gift.
Practical points people ask about
What goes in it?
Spirits only - whisky, brandy, rum, vodka. Nothing with sugar, cream or citrus, which will spoil and are difficult to clean out. Nothing fizzy.
Can you leave drink in it?
Not for long. A flask is for carrying a drink for a day, not storing one for a month. Empty it, rinse it, dry it upside down with the cap off.
How do you clean it?
Warm water, a little washing-up liquid, and a good rinse. Leave it open to air dry. Avoid the dishwasher - the heat is hard on both the flask and the engraving over time.
Can you take one on a plane?
Empty, in hand luggage, yes. Full, no - it exceeds liquid limits. Pack it empty and fill it at the other end.
Buying as a set
Flasks work particularly well bought as a matching set for a wedding party, each engraved with a different name and the same date. It looks deliberate, it photographs well on the morning of the wedding, and every one of them gets kept.
Browse the full range of personalised hip flasks, or see the wider wedding gifts collection if you are buying for a whole party.